Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 79,484	$ 175,999
Accounts receivable, net of allowance of $11,276 and $10,772, at September 30, 2017 and December 31, 2016, respectively	178,700	173,582
Prepaid expenses	14,369	13,699
Income tax receivable	6,085	3,354
Deferred financing costs, net	1,227
Other current assets	289	1,001
Total current assets	280,154	367,635
Property and equipment, net	95,034	92,167
Goodwill	485,540	379,716
Intangible assets, net	98,090	37,797
Deferred financing costs, net		2,790
Other assets	2,403	2,650
Total assets	961,221	882,755
Current liabilities:
Revolving credit facility	240,000
Accounts payable, accrued expenses and other liabilities	47,484	59,402
Estimated liability for appeals	30,754	30,755
Total current liabilities	318,238	90,157
Long-term liabilities:
Revolving credit facility		197,796
Net deferred tax liabilities	41,441	22,717
Deferred rent	4,883	5,427
Other liabilities	9,275	10,048
Total long-term liabilities	55,599	235,988
Total liabilities	373,837	326,145
Commitments and contingencies (Note 11)
Shareholders' equity:
Preferred stock -- $0.01 par value; 5,000,000 shares authorized; none issued	0	0
Common stock -- $0.01 par value; 175,000,000 shares authorized; 96,492,808 shares issued and 84,078,730 shares outstanding at September 30, 2017; 95,966,852 shares issued and 83,552,774 shares outstanding at December 31, 2016	965	959
Capital in excess of par value	361,462	345,025
Retained earnings	340,441	326,110
Treasury stock, at cost: 12,414,078 shares at September 30, 2017 and December 31, 2016	(115,484)	(115,484)
Total shareholders' equity	587,384	556,610
Total liabilities and shareholders' equity	$ 961,221	$ 882,755